Moved contents of clang_cflags into cflags am: ce5443941a am: 1f6fb5b29e am: bbd893d527 am: 197b459f07 am: e41ddc00ce

Original change: https://android-review.googlesource.com/c/platform/external/google-breakpad/+/2069495

Change-Id: I243d4f589eac8f3318f014e8fe260d4186f4a67e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>